Author
Historical Society of Pennsylvania
8
Historical Records Survey of Pennsylvania
3
American Philosophical Society
2
Ericson, Jack T.
2
Indian Rights Association
2
Balch Institute for Ethnic Studies. Research Library
1
Bell, Raymond Martin, 1907-
1
Bleyden, Paul,
1
Boehm, John Philip, 1683-1749
1
Bratton, Timothy L.
1
Bricker, Florence M.
1
Bumbrey, Jeffrey Nordlinger
1
Catlett, J. Stephen
1
College of Physicians of Philadelphia. Library
1
Evangelical and Reformed Historical Society
1
Ewing, Charles M.
1
Fleishman, Margot
1
Francis Clark Wood Institute for the History of Medicine
1
Good, James I. 1850-1924
1
Hinke, William John, 1871-1947
1
Hirsch, Rud
1
Levin, Bernard S.,
1
Library Company of Philadelphia
1
Miller, Erika Thickman
1
Mowrer, Rita Schive
1
Pennsylvania Higher Education Assistance Agency
1
Pennsylvania Society for Promoting the Abolition of Slavery
1
Reformed Church in the United States
1
Tucher, Andrea
1
United Church of Christ
1
Washington and Jefferson College (Washington, Pa.)
1
Welsh, Herbert, 1851-1941
1
Zimmerman, Carla B.
1